Science

Monday, 9 February 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Enceladus
According to new research, liquid water may exist on Enceladus several meters below the ice surface, and conditions there may be favorable for the emergence of life.
Phobos
Phobos’ orbit decreases by about 1,8 meters every 100 years.
In about 50 million years, the moon could be torn apart by Mars’ tidal forces or fall to its surface.
Silver
Pure high-quality silver contains at least 99.9 percent of this metal.
Purity levels above 99.999 percent can also be found.
NASA
NASA employs over 17,000 people.
Its HQ—Mary W. Jackson—is located in Washington, D.C.
Silver
Silver does not react with clean air and water.
However, it becomes dull upon contact with ozone, hydrogen sulfide, and air polluted with sulfur compounds. Silver halides slowly decompose when exposed to light.
Silver
The use of silver is very wide, mainly as a precious metal.
925 silver alloyed with copper is used to make jewelry, dishes and cutlery, medals, and musical inst ...
Titan
The largest crater on Titan’s surface in Menrva.
Its diameter is 392 kilometers, and its depth is 2.8 kilometers. It is located 20.1 degrees north of ...
Large Magellanic Cloud
It is located in the constellation of Dorado and Mensa.
Ganymede
Ganymede was examined closely by the spacecraft Pioneer 10 and 11, Voyager 1 and 2, New Horizons, and Galileo.
Nicotine
Nicotine is a natural insecticide.
Plants such as tobacco produce it to repel pests - nicotine interferes with the neurotransmitters of insects and kills them.